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Premium Cummins ISX15 / X15 New Engine Block

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A Fresh Foundation for Heavy-Duty Engine Rebuilds

The Premium Cummins ISX15 / X15 New Engine Block provides a dependable starting point for professional diesel engine rebuilds.

Manufactured from a new high-strength cast iron casting and precision CNC-machined, this replacement block is designed to support accurate component fitment and consistent engine assembly.

Suitable for selected Cummins ISX15 CM2250, CM2350, and X15 applications, with fitment verification required before installation.

PRODUCT HIGHLIGHTS
  • New High-Strength Cast Iron Casting – A brand-new block without the previous service history of a remanufactured core.
  • Precision CNC Machining – Accurately machined surfaces support proper alignment, sealing, and engine assembly.
  • Fresh Engine Build Foundation – Start your rebuild with an unused cylinder block instead of a previously operated core.
  • 150 mm Cylinder Liner Design – Designed for compatible 150 mm liner configurations. Verify specifications before installation.
  • Reduced Core-Related Uncertainty – Avoid potential concerns associated with previous wear, repairs, and machining history.
  • Heavy-Duty Applications – Designed for compatible commercial diesel engine rebuilding and fleet maintenance applications.
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Product Information

PRODUCT INFORMATION

Specification Details
Product Type New Replacement Engine Cylinder Block
Engine Application Cummins ISX15 / X15
Engine Compatibility Selected CM2250 / CM2350 and X15 applications
Material High-Strength Cast Iron
Manufacturing New Casting / Precision CNC Machined
Cylinder Liner Configuration Designed for Compatible 150 mm Liners
Condition Brand New – Not Remanufactured
Recommended Use Heavy-Duty Diesel Engine Rebuilding
Fitment Verification Confirm ESN / CPL and liner configuration before ordering

WHY CHOOSE A NEW ENGINE BLOCK?

Build with Confidence. Start with New.

Unlike remanufactured blocks, a new engine block has no prior service wear, operating heat cycles, or repair history. It provides a fresh, dependable foundation for your Cummins ISX15 / X15 engine rebuild.

COMPLETE YOUR ENGINE BUILD

Pair Your New Engine Block with the Right Crankshaft

Complete your Cummins ISX15 / X15 engine rebuild with a properly matched crankshaft for accurate fitment and reliable operation.

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Contact Behind The 8 for compatible crankshaft options and additional engine rebuilding components.

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